Projection aligner with specific means for bending mirror

Details Projection aligner with specific means for bending mirror Projection aligner with specific means for bending mirror

1981-05-07

1983-10-11

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Distortion introducing or rectifying

G03B 2768

Patent

active

044088744

ABSTRACT:
A projection aligner is provided wherein anamorphic metric distortion can be introduced in the projection image by employing a bending mirror that makes a slight change in magnification along one axis of the image. In one embodiment of the invention a pneumatic bending mechanism is employed and in another embodiment, a mechanical system is employed.

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patent: 3972600 (1976-08-01), Cobarg
patent: 4059346 (1977-11-01), Levine et al.

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